3.—(1) A hazardous substance is any substance or group of substances that are toxic, persistent and liable to bio-accumulate.
(2) This includes in particular the following when they are toxic, persistent and liable to bio-accumulate—
(a)organohalogen compounds and substances which may form such compounds in the aquatic environment;
(b)organophosphorous compounds;
(c)organotin compounds;
(d)substances and preparations, or the breakdown products of such, which have been proved to possess carcinogenic or mutagenic properties or properties which may affect steroidogenic, thyroid, reproduction or other endocrine-related functions in or via the aquatic environment;
(e)persistent hydrocarbons and persistent and bioaccumulable organic toxic substances;
(f)cyanides;
(g)metals (in particular cadmium and mercury) and their compounds;
(h)arsenic and its compounds;
(i)biocides and plant protection products.
(3) The Agency must publish a list of substances that it considers to be hazardous substances.